./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/recursive-simple/sum_10x0-2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 65d6cd23 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/recursive-simple/sum_10x0-2.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 03b834537fd67eba3e98faa1fce1fca3851f5bba .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/recursive-simple/sum_10x0-2.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 03b834537fd67eba3e98faa1fce1fca3851f5bba ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-65d6cd2 [2019-11-25 23:05:04,176 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-25 23:05:04,178 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-25 23:05:04,202 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-25 23:05:04,203 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-25 23:05:04,206 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-25 23:05:04,223 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-25 23:05:04,239 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-25 23:05:04,243 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-25 23:05:04,248 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-25 23:05:04,251 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-25 23:05:04,259 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-25 23:05:04,259 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-25 23:05:04,264 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-25 23:05:04,269 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-25 23:05:04,272 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-25 23:05:04,275 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-25 23:05:04,281 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-25 23:05:04,286 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-25 23:05:04,295 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-25 23:05:04,304 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-25 23:05:04,310 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-25 23:05:04,314 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-25 23:05:04,321 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-25 23:05:04,327 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-25 23:05:04,330 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-25 23:05:04,330 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-25 23:05:04,332 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-25 23:05:04,335 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-25 23:05:04,336 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-25 23:05:04,338 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-25 23:05:04,339 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-25 23:05:04,340 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-25 23:05:04,344 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-25 23:05:04,346 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-25 23:05:04,348 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-25 23:05:04,351 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-25 23:05:04,352 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-25 23:05:04,352 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-25 23:05:04,356 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-25 23:05:04,357 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-25 23:05:04,358 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-25 23:05:04,399 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-25 23:05:04,400 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-25 23:05:04,404 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-25 23:05:04,405 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-25 23:05:04,406 INFO L138 SettingsManager]: * Use SBE=true [2019-11-25 23:05:04,408 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-25 23:05:04,408 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-25 23:05:04,409 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-25 23:05:04,409 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-25 23:05:04,409 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-25 23:05:04,412 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-25 23:05:04,412 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-25 23:05:04,413 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-25 23:05:04,413 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-25 23:05:04,414 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-25 23:05:04,416 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-25 23:05:04,416 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-25 23:05:04,417 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-25 23:05:04,417 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-25 23:05:04,417 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-25 23:05:04,419 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-25 23:05:04,419 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-25 23:05:04,420 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-25 23:05:04,420 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-25 23:05:04,422 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-25 23:05:04,422 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-25 23:05:04,422 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-25 23:05:04,423 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-25 23:05:04,423 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 03b834537fd67eba3e98faa1fce1fca3851f5bba [2019-11-25 23:05:05,014 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-25 23:05:05,045 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-25 23:05:05,049 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-25 23:05:05,055 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-25 23:05:05,056 INFO L275 PluginConnector]: CDTParser initialized [2019-11-25 23:05:05,058 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/recursive-simple/sum_10x0-2.c [2019-11-25 23:05:05,231 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dc4e0de4e/b8e8da6e4ed04e3f9fe40900fd4b5352/FLAG9c03c92c5 [2019-11-25 23:05:06,200 INFO L306 CDTParser]: Found 1 translation units. [2019-11-25 23:05:06,206 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/recursive-simple/sum_10x0-2.c [2019-11-25 23:05:06,220 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dc4e0de4e/b8e8da6e4ed04e3f9fe40900fd4b5352/FLAG9c03c92c5 [2019-11-25 23:05:06,386 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dc4e0de4e/b8e8da6e4ed04e3f9fe40900fd4b5352 [2019-11-25 23:05:06,394 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-25 23:05:06,399 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-25 23:05:06,404 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-25 23:05:06,404 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-25 23:05:06,414 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-25 23:05:06,417 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 11:05:06" (1/1) ... [2019-11-25 23:05:06,426 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@658fc5c2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:05:06, skipping insertion in model container [2019-11-25 23:05:06,427 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 11:05:06" (1/1) ... [2019-11-25 23:05:06,450 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-25 23:05:06,476 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-25 23:05:06,828 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 23:05:06,838 INFO L203 MainTranslator]: Completed pre-run [2019-11-25 23:05:06,874 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 23:05:06,892 INFO L208 MainTranslator]: Completed translation [2019-11-25 23:05:06,893 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:05:06 WrapperNode [2019-11-25 23:05:06,894 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-25 23:05:06,895 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-25 23:05:06,895 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-25 23:05:06,895 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-25 23:05:06,907 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:05:06" (1/1) ... [2019-11-25 23:05:06,914 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:05:06" (1/1) ... [2019-11-25 23:05:06,967 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-25 23:05:06,970 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-25 23:05:06,972 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-25 23:05:06,972 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-25 23:05:07,076 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:05:06" (1/1) ... [2019-11-25 23:05:07,077 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:05:06" (1/1) ... [2019-11-25 23:05:07,078 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:05:06" (1/1) ... [2019-11-25 23:05:07,079 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:05:06" (1/1) ... [2019-11-25 23:05:07,082 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:05:06" (1/1) ... [2019-11-25 23:05:07,084 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:05:06" (1/1) ... [2019-11-25 23:05:07,085 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:05:06" (1/1) ... [2019-11-25 23:05:07,087 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-25 23:05:07,110 INFO L168 Benchmark]: Toolchain (without parser) took 691.78 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.6 MB in the beginning and 996.9 MB in the end (delta: -35.3 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. [2019-11-25 23:05:07,112 INFO L168 Benchmark]: CDTParser took 2.09 ms. Allocated memory is still 1.0 GB. Free memory is still 988.9 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-25 23:05:07,117 INFO L168 Benchmark]: CACSL2BoogieTranslator took 490.51 ms. Allocated memory is still 1.0 GB. Free memory was 961.6 MB in the beginning and 950.2 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. [2019-11-25 23:05:07,118 INFO L168 Benchmark]: Boogie Procedure Inliner took 74.70 ms. Allocated memory is still 1.0 GB. Free memory is still 950.2 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-25 23:05:07,121 INFO L168 Benchmark]: Boogie Preprocessor took 117.92 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 950.2 MB in the beginning and 996.9 MB in the end (delta: -46.7 MB). Peak memory consumption was 9.2 MB. Max. memory is 12.5 GB. [2019-11-25 23:05:07,134 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 2.09 ms. Allocated memory is still 1.0 GB. Free memory is still 988.9 MB. There was no memory consumed. Max. memory is 12.5 GB. * CACSL2BoogieTranslator took 490.51 ms. Allocated memory is still 1.0 GB. Free memory was 961.6 MB in the beginning and 950.2 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 74.70 ms. Allocated memory is still 1.0 GB. Free memory is still 950.2 MB. There was no memory consumed. Max. memory is 12.5 GB. * Boogie Preprocessor took 117.92 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 950.2 MB in the beginning and 996.9 MB in the end (delta: -46.7 MB). Peak memory consumption was 9.2 MB. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.24-65d6cd2 [2019-11-25 23:05:10,989 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-25 23:05:10,996 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-25 23:05:11,033 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-25 23:05:11,033 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-25 23:05:11,037 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-25 23:05:11,042 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-25 23:05:11,058 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-25 23:05:11,062 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-25 23:05:11,069 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-25 23:05:11,072 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-25 23:05:11,077 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-25 23:05:11,078 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-25 23:05:11,086 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-25 23:05:11,088 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-25 23:05:11,094 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-25 23:05:11,096 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-25 23:05:11,101 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-25 23:05:11,106 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-25 23:05:11,115 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-25 23:05:11,125 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-25 23:05:11,128 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-25 23:05:11,133 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-25 23:05:11,137 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-25 23:05:11,145 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-25 23:05:11,147 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-25 23:05:11,147 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-25 23:05:11,152 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-25 23:05:11,153 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-25 23:05:11,154 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-25 23:05:11,154 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-25 23:05:11,156 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-25 23:05:11,157 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-25 23:05:11,161 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-25 23:05:11,164 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-25 23:05:11,165 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-25 23:05:11,167 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-25 23:05:11,169 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-25 23:05:11,169 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-25 23:05:11,174 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-25 23:05:11,176 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-25 23:05:11,177 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-25 23:05:11,217 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-25 23:05:11,218 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-25 23:05:11,222 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-25 23:05:11,223 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-25 23:05:11,223 INFO L138 SettingsManager]: * Use SBE=true [2019-11-25 23:05:11,224 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-25 23:05:11,226 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-25 23:05:11,226 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-25 23:05:11,227 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-25 23:05:11,227 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-25 23:05:11,228 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-25 23:05:11,229 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-25 23:05:11,231 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-25 23:05:11,231 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-25 23:05:11,232 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-25 23:05:11,232 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-25 23:05:11,232 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-25 23:05:11,233 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-25 23:05:11,233 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-25 23:05:11,234 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-25 23:05:11,238 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-25 23:05:11,238 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-25 23:05:11,239 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-25 23:05:11,239 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-25 23:05:11,239 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-25 23:05:11,239 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-25 23:05:11,240 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-25 23:05:11,240 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-25 23:05:11,240 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-25 23:05:11,241 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-25 23:05:11,242 INFO L138 SettingsManager]: * Logic for external solver=AUFBV Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 03b834537fd67eba3e98faa1fce1fca3851f5bba [2019-11-25 23:05:11,789 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-25 23:05:11,822 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-25 23:05:11,829 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-25 23:05:11,837 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-25 23:05:11,838 INFO L275 PluginConnector]: CDTParser initialized [2019-11-25 23:05:11,839 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/recursive-simple/sum_10x0-2.c [2019-11-25 23:05:11,994 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4a4477769/321e21023aa740d1b03f98c0d51fb6aa/FLAG86eb31cc6 [2019-11-25 23:05:13,019 INFO L306 CDTParser]: Found 1 translation units. [2019-11-25 23:05:13,020 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/recursive-simple/sum_10x0-2.c [2019-11-25 23:05:13,037 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4a4477769/321e21023aa740d1b03f98c0d51fb6aa/FLAG86eb31cc6 [2019-11-25 23:05:13,076 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4a4477769/321e21023aa740d1b03f98c0d51fb6aa [2019-11-25 23:05:13,086 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-25 23:05:13,092 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-25 23:05:13,094 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-25 23:05:13,098 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-25 23:05:13,104 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-25 23:05:13,105 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 11:05:13" (1/1) ... [2019-11-25 23:05:13,113 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1c9b2ded and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:05:13, skipping insertion in model container [2019-11-25 23:05:13,116 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 11:05:13" (1/1) ... [2019-11-25 23:05:13,133 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-25 23:05:13,177 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-25 23:05:13,618 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 23:05:13,634 INFO L203 MainTranslator]: Completed pre-run [2019-11-25 23:05:13,673 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 23:05:13,706 INFO L208 MainTranslator]: Completed translation [2019-11-25 23:05:13,711 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:05:13 WrapperNode [2019-11-25 23:05:13,712 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-25 23:05:13,713 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-25 23:05:13,716 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-25 23:05:13,716 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-25 23:05:13,738 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:05:13" (1/1) ... [2019-11-25 23:05:13,754 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:05:13" (1/1) ... [2019-11-25 23:05:13,896 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-25 23:05:13,897 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-25 23:05:13,898 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-25 23:05:13,898 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-25 23:05:13,919 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:05:13" (1/1) ... [2019-11-25 23:05:13,922 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:05:13" (1/1) ... [2019-11-25 23:05:13,925 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:05:13" (1/1) ... [2019-11-25 23:05:13,926 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:05:13" (1/1) ... [2019-11-25 23:05:13,936 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:05:13" (1/1) ... [2019-11-25 23:05:13,941 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:05:13" (1/1) ... [2019-11-25 23:05:13,945 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:05:13" (1/1) ... [2019-11-25 23:05:13,948 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-25 23:05:13,960 INFO L168 Benchmark]: Toolchain (without parser) took 859.89 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 991.3 MB in the end (delta: -29.6 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-25 23:05:13,962 INFO L168 Benchmark]: CDTParser took 0.33 ms. Allocated memory is still 1.0 GB. Free memory is still 988.9 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-25 23:05:13,965 INFO L168 Benchmark]: CACSL2BoogieTranslator took 618.16 ms. Allocated memory is still 1.0 GB. Free memory was 961.7 MB in the beginning and 950.2 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. [2019-11-25 23:05:13,967 INFO L168 Benchmark]: Boogie Procedure Inliner took 183.40 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 950.2 MB in the beginning and 991.3 MB in the end (delta: -41.0 MB). Peak memory consumption was 9.2 MB. Max. memory is 12.5 GB. [2019-11-25 23:05:13,971 INFO L168 Benchmark]: Boogie Preprocessor took 52.86 ms. Allocated memory is still 1.0 GB. Free memory is still 991.3 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-25 23:05:13,983 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33 ms. Allocated memory is still 1.0 GB. Free memory is still 988.9 MB. There was no memory consumed. Max. memory is 12.5 GB. * CACSL2BoogieTranslator took 618.16 ms. Allocated memory is still 1.0 GB. Free memory was 961.7 MB in the beginning and 950.2 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 183.40 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 950.2 MB in the beginning and 991.3 MB in the end (delta: -41.0 MB). Peak memory consumption was 9.2 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 52.86 ms. Allocated memory is still 1.0 GB. Free memory is still 991.3 MB. There was no memory consumed. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...